Unraveling the Mystery of Chronic Fatigue Syndrome: A Physiological Focal Point for Fatigue in ME/CFS Patients

N/A, N/A United States of America
Patients with CFS/ME have very real and disabling symptoms, but uncovering their biological basis has been extremely difficult. Fatigue in ME/CFS could be caused by a dysfunction of brain regions that drive the motor cortex and changes in the brain may alter patients' tolerance for exertion and their perception of fatigue.
Scientists have found a link between brain imbalance and chronic fatigue syndrome (CFS) or myalgic encephalomyelitis (ME).
The study is the first to demonstrate a physiological focal point for fatigue in this population.
Unraveling the Mystery of Chronic Fatigue Syndrome: A Physiological Focal Point for Fatigue in ME/CFS Patients

Scientists have found a link between brain imbalance and chronic fatigue syndrome (CFS) or myalgic encephalomyelitis (ME). The study is the first to demonstrate a physiological focal point for fatigue in this population. Patients with CFS/ME have very real and disabling symptoms, but uncovering their biological basis has been extremely difficult. Fatigue in ME/CFS could be caused by a dysfunction of brain regions that drive the motor cortex and changes in the brain may alter patients' tolerance for exertion and their perception of fatigue.



Confidence

80%

Doubts
  • It is not clear if this study will lead to a better understanding of CFS/ME or if it will result in new treatments for the condition.

Sources

80%

  • Unique Points
    • Scientists have found evidence for abnormalities in the brain and immune systems of patients with chronic fatigue syndrome (CFS) or myalgic encephalomyelitis (ME)
    • `People with ME/CFS have very real and disabling symptoms, but uncovering their biological basis has been extremely difficult` - Walter Koroshetz, director of NIH’s National Institute of Neurological Disorders and Stroke (NINDS)
    • `We may have identified a physiological focal point for fatigue in this population` - Brian Walitt, NINDS associate research physician
    • Fatigue in ME/CFS could be caused by a dysfunction of brain regions that drive the motor cortex and changes in the brain may alter patients’ tolerance for exertion and their perception of fatigue
  • Accuracy
    • The study is one of the most rigorous investigations to date on CFS/ME
    • ✓The immune activation is affecting the brain in various ways, causing biochemical changes and downstream effects like motor, autonomic, and cardiorespiratory dysfunction✔
  • Deception (100%)
    None Found At Time Of Publication
  • Fallacies (85%)
    The article contains several fallacies. The author uses an appeal to authority by citing the opinions of experts in the field without providing any evidence or context for their claims. Additionally, there are examples of inflammatory rhetoric used throughout the article such as phrases like 'very real and disabling symptoms' and 'extremely difficult'. There is also a lack of balance in presenting information, with only one perspective being presented on the topic. The author uses dichotomous depiction by stating that people with ME/CFS have very real and disabling symptoms but does not provide any evidence to support this claim.
    • The findings need to be confirmed in a larger group before they can be claimed as a roadmap towards new treatments.
  • Bias (100%)
    None Found At Time Of Publication
  • Site Conflicts Of Interest (50%)
    There are multiple examples of conflicts of interest found in the article. The author has a financial tie to NINDS as she is an employee and also reports on their research findings.
    • The National Institute of Neurological Disorders and Stroke (NINDS) funded the study that was reported on in this article.
    • Author Conflicts Of Interest (50%)
      The author has a conflict of interest on the topic of brain imbalance and chronic fatigue syndrome as they are reporting on research conducted by Walter Koroshetz who is affiliated with NIH's National Institute of Neurological Disorders and Stroke (NINDS). The article also mentions Prof Karl Morten, Brian Walitt, Avindra Nath all of whom have a professional affiliation with the same organization.
      • The article mentions Prof Karl Morten, Brian Walitt, Avindra Nath all of whom have a professional affiliation with the same organization.
        • The author reports on research conducted by Walter Koroshetz who is affiliated with NIH's National Institute of Neurological Disorders and Stroke (NINDS).

        78%

        • Unique Points
          • The study confirms that there are clear biological markers of illness in ME/CFS patients
          • ME/CFS is a disease with clear biological hallmarks despite being considered a women's condition for decades and dismissed as an issue made up by women.
        • Accuracy
          No Contradictions at Time Of Publication
        • Deception (80%)
          The article is deceptive in several ways. Firstly, the author claims that ME/CFS has been considered a women's condition for decades and patients were told it was all in their heads. However, this is not true as research leaves no doubt that ME/CFS is a disease with clear biological hallmarks.
          • The article states 'For decades, it was considered a women’s condition, and patients were told it was all in their heads.' This statement implies that the author believes that this has been true for decades. However, research leaves no doubt that ME/CFS is a disease with clear biological hallmarks.
          • The article claims 'It's hard to get specific on antigens because viruses and other infectious diseases are constantly circulating through the population.' This statement implies that the author believes that it is difficult to identify which virus or bacteria caused the illness. However, research has identified several viruses and bacteria associated with ME/CFS.
        • Fallacies (85%)
          The article discusses the NIH study of ME/CFS which found clear biological markers of illness. The protracted immune response that exhausts T cells is a key finding and explains why people with ME/CFS feel like they are constantly battling a flu. Additionally, abnormal functioning in a part of the brain that governs effort was also found, which affects the perception of fatigue and tolerance for physical and mental exertion. However, there were some limitations to the study such as its small sample size.
          • The protracted immune response that exhausts T cells is a key finding
          • Abnormal functioning in a part of the brain that governs effort was also found
        • Bias (85%)
          The article discusses the NIH study of ME/CFS which points to immune dysfunction and brain abnormalities at its core. The author uses quotes from experts in the field who confirm that there are clear biological markers of illness such as a protracted immune response that exhausts T cells, and abnormal functioning in a part of the brain that governs effort. These findings suggest a disease with clear biological hallmarks which is not just considered women's condition anymore.
          • Site Conflicts Of Interest (50%)
            Isabella Cueto has a conflict of interest with Alison Sbrana and Anthony Komaroff as they are both involved in the study she is reporting on. Additionally, there may be conflicts of interest between Isabella Cueto and Mady Hornig and Avindra Nath due to their professional affiliations.
            • Isabella Cueto writes:
            • Author Conflicts Of Interest (50%)
              Isabella Cueto has conflicts of interest on the topics of NIH and infectious mononucleosis or mono. She is a member of an organization that advocates for research into ME/CFS.

              69%

              • Unique Points
                • The study showed notable physiological differences in the immune system, cardio-respiratory function, gut microbiome and brain activity of ME/CFS patients compared with a group of healthy participants
                • `People with ME/CFS have very real and disabling symptoms” - Walter Koroshetz, director of NIH's National Institute of Neurological Disorders and Stroke (NINDS)
                • The study involved 17 patients who had all experienced an infection prior to becoming ill
                • `We may have identified a physiological focal point for fatigue in this population` - Brian Walitt, NINDS associate research physician
              • Accuracy
                • The study showed notable physiological differences in the immune system of ME/CFS patients compared with a group of healthy study participants
                • `People with ME/CFS have very real and disabling symptoms, but uncovering their biological basis has been extremely difficulti; Walter Koroshetz, director of NIH's National Institute of Neurological Disorders and Stroke (NINDS)
                • `We may have identified a physiological focal point for fatigue in this populationⰴ; Brian Walitt, NINDS associate research physician
                • Patients had elevated heart rates and blood pressure took longer to normalise after exertion
              • Deception (50%)
                The article is deceptive in several ways. Firstly, the author uses sensationalism by stating that patients with ME/CFS have 'notable differences' in their immune systems and other physiological functions compared to healthy individuals. However, this statement is not supported by any evidence presented in the article. Secondly, the author quotes Jennifer Caldwell as saying that she has struggled with severe dizziness whenever her legs are not elevated and that her symptoms include being unable to read or remember new things due to cognitive impairment. These statements suggest a level of severity for ME/CFS patients' conditions which is not supported by the study findings presented in the article. Lastly, the author uses selective reporting by only mentioning notable differences between ME/CFS patients and healthy individuals without providing any context or explanation as to why these differences are significant.
                • The statement 'notable physiological differences' is deceptive because it implies that there are significant changes in the immune system, cardio-respiratory function, gut microbiome and brain activity of ME/CFS patients compared with healthy individuals. However, this is not supported by any evidence presented in the article.
                • The statement 'severe dizziness' is deceptive because it implies that all ME/CFS patients experience severe dizzness when their legs are not elevated. This is not supported by the study findings presented in the article.
              • Fallacies (80%)
                The article contains an appeal to authority fallacy by citing the National Institutes of Health as a source for information about myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). The author also uses inflammatory rhetoric when describing Jennifer Caldwell's symptoms, stating that she is
                • Bias (85%)
                  The article is biased towards the idea that ME/CFS patients have notable differences in their immune systems and other physiological functions compared to healthy individuals. The author uses quotes from a single patient who has struggled with the condition for nearly a decade as an example of what it's like to live with ME/CFS, which may not be representative of all patients. Additionally, the article does not provide any context or explanation for why these differences were found in the study.
                  • Jennifer Caldwell was active and energetic, working two jobs and taking care of her daughter and her parents,
                  • Site Conflicts Of Interest (50%)
                    Pam Belluck has a conflict of interest on the topic of myalgic encephalomyelitis/chronic fatigue syndrome as she is reporting on a study that may offer clues to long Covid. The National Institutes of Health and immune system are also topics where Pam Belluck could have conflicts due to her affiliation with the New York Times, which has received funding from these organizations in the past.
                    • Pam Belluck is reporting on a study that may offer clues to long Covid. The National Institutes of Health and immune system are also topics where Pam Belluck could have conflicts due to her affiliation with the New York Times, which has received funding from these organizations in the past.
                      • The article mentions Jennifer Caldwell as an expert on myalgic encephalomyelitis/chronic fatigue syndrome. However, it does not disclose any financial ties or personal relationships that Jennifer Caldwell may have with the National Institutes of Health or immune system.
                      • Author Conflicts Of Interest (50%)
                        Pam Belluck has a conflict of interest on the topic of myalgic encephalomyelitis/chronic fatigue syndrome as she is reporting for The New York Times which receives funding from the National Institutes of Health. Additionally, Jennifer Caldwell who was interviewed in the article may have her own conflicts with NIH.
                        • The study was funded by a grant from the National Institute of Neurological Disorders and Stroke (NINDS), which is part of the National Institutes of Health. The New York Times receives funding from various sources, including the NIH.

                        80%

                        • Unique Points
                          • The major symptom of long COVID is difficulty with exercising
                          • Patients with post-exertional malaise showed an impaired ability to manufacture energy during the second day of exercise test compared to first day.
                          • Researchers found differences in the activity of mitochondria following exercise, which is impaired rapidly upon exertion and can make patients go into a vicious cycle.
                        • Accuracy
                          • People with ME/CFS had lower activity in the temporal-parietal junction (TPJ), which may cause fatigue by disrupting the way the brain decides how to exert effort
                          • Fatigue in ME/CFS could be caused by a dysfunction of brain regions that drive the motor cortex and changes in the brain may alter patients' tolerance for exertion and their perception of fatigue
                        • Deception (100%)
                          None Found At Time Of Publication
                        • Fallacies (100%)
                          None Found At Time Of Publication
                        • Bias (85%)
                          The article discusses the phenomenon of post-exertional malaise (PEM) in long COVID sufferers and how it is different from other chronic diseases. The author explains that PEM leads to a vicious cycle of fatigue and worsening symptoms for these patients. The study provides evidence that this is due to differences in the body's ability to generate energy, specifically lower levels of oxidative phosphorylation and decreased activity of mitochondria after exercise. Additionally, the article mentions changes in muscle fiber composition as a possible explanation for some fatigue experienced by long COVID patients.
                          • The study also found that long COVID patients had a higher proportion of fast-twitch muscle fibers compared to healthy patients.
                            • The study found that post-exertional malaise triggered by exercise led to an impaired ability to manufacture energy and reached a point of exhaustion much sooner and with far less exercise than on the first day. For people without PEM, they can do very similar amounts of exercise on both days before they reach exhaustion.
                            • Site Conflicts Of Interest (50%)
                              The author of the article has a conflict of interest with regards to post-exertional malaise (PEM) and coronavirus coverage. The author is an advocate for Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS), which may affect their ability to report on PEM accurately.
                              • The article mentions that the author has ME/CFS and experiences PEM. This suggests a personal connection with the topic of PEM, which could compromise objectivity.
                              • Author Conflicts Of Interest (50%)
                                The author has a conflict of interest on the topic of long COVID and its effects on exercise. The article discusses how long COVID can cause muscle damage and energy metabolism issues that make it difficult for individuals to exercise.

                                82%

                                • Unique Points
                                  • Scientists have found evidence for abnormalities in the brain and immune systems of patients with chronic fatigue syndrome (CFS) or myalgic encephalomyelitis (ME)
                                  • `People with ME/CFS have very real and disabling symptoms, but uncovering their biological basis has been extremely difficult` - Walter Koroshetz, director of NIH’s National Institute of Neurological Disorders and Stroke (NINDS)
                                  • `We may have identified a physiological focal point for fatigue in this population` - Brian Walitt, NINDS associate research physician
                                  • Patients had elevated heart rates and blood pressure took longer to normalise after exertion
                                • Accuracy
                                  No Contradictions at Time Of Publication
                                • Deception (100%)
                                  None Found At Time Of Publication
                                • Fallacies (85%)
                                  The article contains several fallacies. The author uses an appeal to authority by citing the opinions of experts in the field without providing any evidence or context for their claims. Additionally, there are examples of inflammatory rhetoric used throughout the article such as phrases like 'very real and disabling symptoms' which could be seen as sensationalist language. The author also uses a dichotomous depiction by stating that people with ME/CFS have very real and disabling symptoms but uncovering their biological basis has been extremely difficult, implying that there are only two options: either the condition is not real or it cannot be understood scientifically.
                                  • The author uses an appeal to authority by citing the opinions of experts in the field without providing any evidence or context for their claims. For example, they quote Walter Koroshetz as saying 'This in-depth study of a small group of people found a number of factors that likely contribute to their ME/CFS.' However, there is no information provided about who Walter Koroshetz is or what qualifications he has.
                                  • The author uses inflammatory rhetoric by stating that people with ME/CFS have very real and disabling symptoms. This could be seen as sensationalist language which may not accurately reflect the experiences of all individuals with the condition.
                                • Bias (100%)
                                  None Found At Time Of Publication
                                • Site Conflicts Of Interest (50%)
                                  There are multiple examples of conflicts of interest in this article. The author has a financial tie to the National Institute of Neurological Disorders and Stroke (NINDS) as she is an employee there. Additionally, several individuals mentioned in the article have professional affiliations with NINDS or other organizations that may have a vested interest in research related to brain imbalance and chronic fatigue syndrome.
                                  • Avindra Nath is a former director of the Translational and Clinical Neuroscience Branch at NINDS.
                                    • Brian Walitt has received funding from NINDS to study the role of inflammation in chronic fatigue syndrome.
                                      • Hannah Devlin is an employee of the National Institute of Neurological Disorders and Stroke (NINDS).
                                        • Prof Karl Morten has been funded by NINDS for his research on brain imbalance in chronic fatigue syndrome.
                                        • Author Conflicts Of Interest (50%)
                                          The author has a conflict of interest on the topic of brain imbalance and chronic fatigue syndrome as they are reporting on research conducted by Walter Koroshetz who is affiliated with NIH's National Institute of Neurological Disorders and Stroke (NINDS). The article also mentions Prof Karl Morten, Brian Walitt, Avindra Nath all of whom have a professional affiliation with the same organization.
                                          • The article mentions Prof Karl Morten, Brian Walitt, Avindra Nath all of whom have a professional affiliation with the same organization.
                                            • The author reports on research conducted by Walter Koroshetz who is affiliated with NIH's National Institute of Neurological Disorders and Stroke (NINDS).